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            <td width="35%" class="headerValue"><a href="../../index.html">top level</a> - <a href="index.html">src/connectionhandling</a> - mqtt_client_mqtt_secure_connection.dart<span style="font-size: 80%;"> (source / <a href="mqtt_client_mqtt_secure_connection.dart.func.html">functions</a>)</span></td>
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            <td class="headerValue">coverage.lcov</td>
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            <td class="headerItem">Lines:</td>
            <td class="headerCovTableEntry">18</td>
            <td class="headerCovTableEntry">29</td>
            <td class="headerCovTableEntryLo">62.1 %</td>
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            <td class="headerItem">Date:</td>
            <td class="headerValue">2017-10-09</td>
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<pre class="sourceHeading">          Line data    Source code</pre>
<pre class="source">
<a name="1"><span class="lineNum">       1 </span>            : /*</a>
<span class="lineNum">       2 </span>            :  * Package : mqtt_client
<span class="lineNum">       3 </span>            :  * Author : S. Hamblett &lt;steve.hamblett@linux.com&gt;
<span class="lineNum">       4 </span>            :  * Date   : 02/10/2017
<span class="lineNum">       5 </span>            :  * Copyright :  S.Hamblett
<span class="lineNum">       6 </span>            :  */
<span class="lineNum">       7 </span>            : 
<span class="lineNum">       8 </span>            : part of mqtt_client;
<span class="lineNum">       9 </span>            : 
<span class="lineNum">      10 </span>            : /// The MQTT secure connection class
<span class="lineNum">      11 </span>            : class MqttSecureConnection extends MqttConnection {
<span class="lineNum">      12 </span>            :   /// Trusted certificate file path for use in secure working
<span class="lineNum">      13 </span>            :   String trustedCertPath;
<span class="lineNum">      14 </span>            : 
<span class="lineNum">      15 </span>            :   /// Private key file path
<span class="lineNum">      16 </span>            :   String privateKeyFilePath;
<span class="lineNum">      17 </span>            : 
<span class="lineNum">      18 </span>            :   /// Default constructor
<span class="lineNum">      19 </span><span class="lineCov">          1 :   MqttSecureConnection(this.trustedCertPath, this.privateKeyFilePath);</span>
<span class="lineNum">      20 </span>            : 
<span class="lineNum">      21 </span>            :   /// Initializes a new instance of the MqttSecureConnection class.
<span class="lineNum">      22 </span><span class="lineNoCov">          0 :   MqttSecureConnection.fromConnect(String server, int port) {</span>
<span class="lineNum">      23 </span><span class="lineNoCov">          0 :     connect(server, port);</span>
<span class="lineNum">      24 </span>            :   }
<span class="lineNum">      25 </span>            : 
<span class="lineNum">      26 </span>            :   /// Connect - overridden
<span class="lineNum">      27 </span>            :   Future connect(String server, int port) {
<span class="lineNum">      28 </span><span class="lineCov">          1 :     final Completer completer = new Completer();</span>
<span class="lineNum">      29 </span><span class="lineCov">          1 :     MqttLogger.log(&quot;MqttSecureConnection::connect&quot;);</span>
<span class="lineNum">      30 </span>            :     try {
<span class="lineNum">      31 </span>            :       // Connect and save the socket.
<span class="lineNum">      32 </span><span class="lineCov">          1 :       final SecurityContext context = SecurityContext.defaultContext;</span>
<span class="lineNum">      33 </span><span class="lineCov">          1 :       if (trustedCertPath != null) {</span>
<span class="lineNum">      34 </span><span class="lineCov">          1 :         MqttLogger.log(</span>
<span class="lineNum">      35 </span><span class="lineCov">          2 :             &quot;MqttSecureConnection::connect - trusted cert path is $trustedCertPath&quot;);</span>
<span class="lineNum">      36 </span><span class="lineCov">          2 :         context.setTrustedCertificates(trustedCertPath);</span>
<span class="lineNum">      37 </span>            :       }
<span class="lineNum">      38 </span><span class="lineCov">          1 :       if (privateKeyFilePath != null) {</span>
<span class="lineNum">      39 </span><span class="lineNoCov">          0 :         MqttLogger.log(</span>
<span class="lineNum">      40 </span><span class="lineNoCov">          0 :             &quot;MqttSecureConnection::connect - private key file path is $privateKeyFilePath&quot;);</span>
<span class="lineNum">      41 </span><span class="lineNoCov">          0 :         context.usePrivateKey(privateKeyFilePath);</span>
<span class="lineNum">      42 </span>            :       }
<span class="lineNum">      43 </span><span class="lineCov">          2 :       SecureSocket.connect(server, port).then((SecureSocket socket) {</span>
<span class="lineNum">      44 </span><span class="lineCov">          1 :         MqttLogger.log(&quot;MqttSecureConnection::connect - securing socket&quot;);</span>
<span class="lineNum">      45 </span><span class="lineCov">          1 :         client = socket;</span>
<span class="lineNum">      46 </span><span class="lineCov">          2 :         readWrapper = new ReadWrapper();</span>
<span class="lineNum">      47 </span><span class="lineCov">          1 :         MqttLogger.log(&quot;MqttSecureConnection::connect - start listening&quot;);</span>
<span class="lineNum">      48 </span><span class="lineCov">          1 :         _startListening();</span>
<span class="lineNum">      49 </span><span class="lineCov">          1 :         return completer.complete();</span>
<span class="lineNum">      50 </span><span class="lineCov">          2 :       }).catchError((e) =&gt; _onError(e));</span>
<span class="lineNum">      51 </span><span class="lineNoCov">          0 :     } on SocketException catch (e) {</span>
<span class="lineNum">      52 </span>            :       final String message =
<span class="lineNum">      53 </span>            :           &quot;MqttSecureConnection::The connection to the message broker {$server}:{$port} could not be made. Error is ${e
<span class="lineNum">      54 </span><span class="lineNoCov">          0 :           .toString()}&quot;;</span>
<span class="lineNum">      55 </span><span class="lineNoCov">          0 :       throw new NoConnectionException(message);</span>
<span class="lineNum">      56 </span><span class="lineNoCov">          0 :     } on HandshakeException catch (e) {</span>
<span class="lineNum">      57 </span>            :       final String message =
<span class="lineNum">      58 </span>            :           &quot;MqttSecureConnection::Handshake exception to the message broker {$server}:{$port}. Error is ${e
<span class="lineNum">      59 </span><span class="lineNoCov">          0 :           .toString()}&quot;;</span>
<span class="lineNum">      60 </span><span class="lineNoCov">          0 :       throw new NoConnectionException(message);</span>
<span class="lineNum">      61 </span>            :     }
<span class="lineNum">      62 </span><span class="lineCov">          1 :     return completer.future;</span>
<span class="lineNum">      63 </span>            :   }
<span class="lineNum">      64 </span>            : }
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